From: Thomas Deutschmann Date: Fri, 22 Sep 2017 21:53:04 +0000 (+0200) Subject: sys-libs/zlib: Fix deflateParams() usage (bug #631550) X-Git-Url: http://git.tremily.us/gitweb.cgi?a=commitdiff_plain;h=f4965144f442ee530185ad7106c30079ac3cacb5;p=gentoo.git sys-libs/zlib: Fix deflateParams() usage (bug #631550) Package-Manager: Portage-2.3.8, Repoman-2.3.3 --- diff --git a/sys-libs/zlib/files/zlib-1.2.11-fix-deflateParams-usage.patch b/sys-libs/zlib/files/zlib-1.2.11-fix-deflateParams-usage.patch new file mode 100644 index 000000000000..18764849b945 --- /dev/null +++ b/sys-libs/zlib/files/zlib-1.2.11-fix-deflateParams-usage.patch @@ -0,0 +1,67 @@ +From f9694097dd69354b03cb8af959094c7f260db0a1 Mon Sep 17 00:00:00 2001 +From: Mark Adler +Date: Mon, 16 Jan 2017 09:49:35 -0800 +Subject: [PATCH] Permit a deflateParams() parameter change as soon as + possible. + +This commit allows a parameter change even if the input data has +not all been compressed and copied to the application output +buffer, so long as all of the input data has been compressed to +the internal pending output buffer. This also allows an immediate +deflateParams change so long as there have been no deflate calls +since initialization or reset. +--- + deflate.c | 6 +++--- + zlib.h | 11 ++++++----- + 2 files changed, 9 insertions(+), 8 deletions(-) + +diff --git a/deflate.c b/deflate.c +index b63311a5..20bda4f6 100644 +--- a/deflate.c ++++ b/deflate.c +@@ -494,7 +494,7 @@ int ZEXPORT deflateResetKeep (strm) + s->wrap == 2 ? crc32(0L, Z_NULL, 0) : + #endif + adler32(0L, Z_NULL, 0); +- s->last_flush = Z_NO_FLUSH; ++ s->last_flush = -2; + + _tr_init(s); + +@@ -587,12 +587,12 @@ int ZEXPORT deflateParams(strm, level, strategy) + func = configuration_table[s->level].func; + + if ((strategy != s->strategy || func != configuration_table[level].func) && +- s->high_water) { ++ s->last_flush != -2) { + /* Flush the last buffer: */ + int err = deflate(strm, Z_BLOCK); + if (err == Z_STREAM_ERROR) + return err; +- if (strm->avail_out == 0) ++ if (strm->avail_in || (s->strstart - s->block_start) + s->lookahead) + return Z_BUF_ERROR; + } + if (s->level != level) { +diff --git a/zlib.h b/zlib.h +index 5daf4f28..577d81e3 100644 +--- a/zlib.h ++++ b/zlib.h +@@ -712,11 +712,12 @@ ZEXTERN int ZEXPORT deflateParams OF((z_streamp strm, + used to switch between compression and straight copy of the input data, or + to switch to a different kind of input data requiring a different strategy. + If the compression approach (which is a function of the level) or the +- strategy is changed, and if any input has been consumed in a previous +- deflate() call, then the input available so far is compressed with the old +- level and strategy using deflate(strm, Z_BLOCK). There are three approaches +- for the compression levels 0, 1..3, and 4..9 respectively. The new level +- and strategy will take effect at the next call of deflate(). ++ strategy is changed, and if there have been any deflate() calls since the ++ state was initialized or reset, then the input available so far is ++ compressed with the old level and strategy using deflate(strm, Z_BLOCK). ++ There are three approaches for the compression levels 0, 1..3, and 4..9 ++ respectively. The new level and strategy will take effect at the next call ++ of deflate(). + + If a deflate(strm, Z_BLOCK) is performed by deflateParams(), and it does + not have enough output space to complete, then the parameter change will not diff --git a/sys-libs/zlib/zlib-1.2.11-r1.ebuild b/sys-libs/zlib/zlib-1.2.11-r1.ebuild new file mode 100644 index 000000000000..c2edb5daec92 --- /dev/null +++ b/sys-libs/zlib/zlib-1.2.11-r1.ebuild @@ -0,0 +1,126 @@ +# Copyright 1999-2017 Gentoo Foundation +# Distributed under the terms of the GNU General Public License v2 + +EAPI=5 +AUTOTOOLS_AUTO_DEPEND="no" + +inherit autotools toolchain-funcs multilib multilib-minimal + +DESCRIPTION="Standard (de)compression library" +HOMEPAGE="https://zlib.net/" +SRC_URI="https://zlib.net/${P}.tar.gz + http://www.gzip.org/zlib/${P}.tar.gz + http://www.zlib.net/current/beta/${P}.tar.gz" + +LICENSE="ZLIB" +SLOT="0/1" # subslot = SONAME +KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~amd64-fbsd ~sparc-fbsd ~x86-fbsd" +IUSE="minizip static-libs" + +DEPEND="minizip? ( ${AUTOTOOLS_DEPEND} )" +RDEPEND="abi_x86_32? ( + !<=app-emulation/emul-linux-x86-baselibs-20130224 + !app-emulation/emul-linux-x86-baselibs[-abi_x86_32(-)] + ) + ! zlib.pc || die + ;; + *) + emake + ;; + esac + use minizip && emake -C contrib/minizip +} + +sed_macros() { + # clean up namespace a little #383179 + # we do it here so we only have to tweak 2 files + sed -i -r 's:\<(O[FN])\>:_Z_\1:g' "$@" || die +} + +multilib_src_install() { + case ${CHOST} in + *-mingw*|mingw*) + emake -f win32/Makefile.gcc install \ + BINARY_PATH="${ED}/usr/bin" \ + LIBRARY_PATH="${ED}/usr/$(get_libdir)" \ + INCLUDE_PATH="${ED}/usr/include" \ + SHARED_MODE=1 + # overwrites zlib.pc created from win32/Makefile.gcc #620136 + insinto /usr/$(get_libdir)/pkgconfig + doins zlib.pc + ;; + + *) + emake install DESTDIR="${D}" LDCONFIG=: + gen_usr_ldscript -a z + ;; + esac + sed_macros "${ED}"/usr/include/*.h + + if use minizip ; then + emake -C contrib/minizip install DESTDIR="${D}" + sed_macros "${ED}"/usr/include/minizip/*.h + fi + + use static-libs || rm -f "${ED}"/usr/$(get_libdir)/lib{z,minizip}.{a,la} #419645 +} + +multilib_src_install_all() { + dodoc FAQ README ChangeLog doc/*.txt + use minizip && dodoc contrib/minizip/*.txt +}